In Aspen, a crucial process occurs behind the scenes of orchestra performances. The tuning of pianos is a complex task, particularly for instruments with 280 strings.

Observations of piano tuning and repairs took place at a tent in the 1960s and '70s. Moving the grand pianos, which weigh 1,300 pounds, was a difficult task.

The piano tuners, including Kurt Oppens and Robert Schoppert, were known to be perfectionists, making miniscule adjustments to achieve the desired sound. Further details about the piano tuning process are available from the Aspen Times.